What is 30 percent of $40

12$

Step-by-step explanation:

When taking a percentage of something

You are multiplying because that is what of implies.

To convert a percentage to a decimal get rid of the %, and divide by 100.

Given 30 percent of $40, Multiply the converted decimal of the percentage, and the quantity.

30% of $40 = 30/100 × 40$ = 3/10 × 40$ = (40$ × 3) / 10 = (40$ + 40$ + 40$) / 10 = 120$ / 10 = 12$

the radius is 2 times the diameter.

step-by-step explanation: